10 Days with REGRETOR 10 Days with REGRETOR is a series about a wanderer who is lost in Guiltopia which is a suicidal land in the underworld. If you are struggling with this theme, it is NOT RECOMMENDED to you. This series is not suitable for the underage reader. The story begins when the wanderer awakes in a land of Guiltopia and started her journey to learn the reason why she is there. She has no memory or any duty punishment like the other residents in Guiltopia. Follow this series to learn more on her journey.

• Horror